function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alekseev, Vitalii I. & Drotikova, Anna M. & Rozhina, Viktoria I.', 1],
    ['Amini, Sudabe & Nozari, Jamasb & Mandelshtam, Michail Yu.', 3],
    ['Amini, Sudabe & Nozari, Jamasb & Martinez, Isabel', 1],
    ['Arzanov, Yu. G. & Martynov, V. V. & Nikulina, T. V.', 11],
    ['Barševskis, Arvīds & Janovska, Marina & Aksjuta, Kristīna', 1],
    ['Beaver, R. A. & Liu, L. Y.', 3],
    ['Beaver, Roger A. & Ghahari, Hassan & Sanguansub, Sunisa', 18],
    ['Behne, Lutz & Gaedike, Hannelore', 1],
    ['Blackman, M. W.', 5],
    ['Bright, Donald E.', 7],
    ['Córdoba, Silvia P. & Atkinson, Thomas H. & Mendoza, Eduardo A.', 2],
    ['Douglas, Hume & Bouchard, Patrice & Anderson, Robert S.', 5],
    ['Smith, Sarah M. & Cognato, Anthony I.', 28],
    ['Swaine, J. M.', 2],
    ['V. Petrov, Alexander & Y. Mandelshtam, Michail', 17],
    ['Other (10)', 10]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=115)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);